英伟达周一将其股票回购计划增加了1500亿美元，公司称这是历史上最大规模的增幅。这家芯片制造商现在计划在2028年1月前回购价值2350亿美元的股票。但公司回购自家股票对投资者究竟意味着什么？
Nvidia added $150 billion to its share buyback program on Monday an increase the firm says is the largest in history. The chipmaker now plans to buy back $235 billion worth of stock through January 2028. But what does it actually mean for an investor when a company buys back its own stock?
公司通常在拥有超额现金时回购股份，往往在公开市场上购买自家股票。英伟达首席执行官黄仁勋在CNBC节目《Squawk Box》上表示，公司预计“未来几年将产生大量现金”，并希望将其中一部分返还给股holders。
Companies typically buy back shares when they have excess cash, often purchasing their own stock on the open market. Nvidia CEO Jensen Huang told CNBC's "Squawk Box" the company expects to generate "a lot of cash in the coming years" and wants to return some of it to shareholders.
确实，股票回购与分红一样，被视为公司回馈投资者的一种方式。与以现金形式直接发放给股东的分红不同，回购减少了流通股数量，使现有股东在公司中拥有的份额略微增大。
Indeed, buybacks, like dividends, are viewed as a way companies can give back to those who invest in their stock. Unlike a dividend, which comes directly to shareholders in the form of cash, a buyback reduces the number of shares in circulation, leaving existing shareholders with a slightly larger piece of the company.
英伟达的宣布正值股票回购处于接近历史纪录的高位之时。但回购宣布是否对投资者构成利好，并不总是显而易见的。
Nvidia's announcement comes as share buybacks remain near record levels. But whether a buyback announcement is good news for investors isn't always straightforward.
“回购是一张收据，而不是买入的理由，”佐治亚州Gaines Capital Management的注册财务规划师Aaron Gaines表示。回购宣布只能说明管理层打算用公司的现金购买自家股票，而无法说明“他们是否买到了好价钱”。股票回购如何运作公司可以用超额现金做很多事，包括偿还债务、投资新项目或扩大业务。
"A buyback is a receipt, not a reason to buy," says Aaron Gaines, a certified financial planner with Gaines Capital Management in Georgia. A buyback announcement only tells you that management intends to spend the company's cash on its own stock, not "whether they got a good deal." How stock buybacks work Companies can use excess cash in a number of ways, including paying down debt, investing in new projects or expanding the business.
快速增长的公司可能更倾向于将这笔钱再投资以推动进一步增长。而更成熟、现金充裕的公司则可能选择通过分红或股票回购，将部分资金返还给股东。
Fast-growing companies may be more inclined to reinvest that money to fuel further growth. More mature, cash-rich companies may instead choose to return some of that money to shareholders through dividends or stock buybacks.
分红是根据股东持有的股份数量向其支付现金。当公司宣布分红时，也会公布符合条件的股东何时收到款项。投资者可以将该笔款项作为现金收入，也可以用它购买更多该股票的股份。在应税账户中，分红款项通常属于应税收入。
A dividend pays shareholders cash based on the number of shares they own. When a company declares a dividend, it also announces when eligible shareholders will receive the payment. Investors can take that payment as cash income or use it to buy more shares of the stock. In a taxable account, dividend payments are generally taxable income.
回购方面，公司向股东返还现金的承诺则不那么坚定。公司授权回购自家股票，但不一定非要执行完全部授权额度。
With a buyback, the commitment to return cash to shareholders is less firm. The company authorizes the purchase of its own shares, but it doesn't necessarily have to follow through on the full amount.
当公司确实回购股份时，会减少流通股数量，使继续持股的投资者拥有的公司股份比例略微增大。
When the company does repurchase shares, it reduces the number of shares in circulation, leaving investors who hold onto their stock owning a slightly larger piece of the company.
这还能提升每股收益（EPS），因为公司的盈余要分摊到更少的股份上。即使公司整体盈利没有变化，也能让股票看起来对投资者更具吸引力。
It can also boost earnings per share, or EPS, because the company's earnings are divided among fewer shares. That can make a stock appear more attractive to investors, even when the company's overall earnings haven't changed.
“这本质上是在增加每股收益，尽管是人为合成出来的，”RB Capital Management注册财务规划师、财务规划副总裁Rob Leiphart表示。
"It's inherently increasing the earnings per share, although synthetically," says Rob Leiphart, a certified financial planner and vice president of financial planning at RB Capital Management.
回购与分红在公司未来返还现金的承诺程度上也有所不同。一旦公司开始派发定期股息，投资者往往会预期这些支付持续下去——甚至随时间增加。Leiphart表示，如果公司削减股息，投资者可能会做出负面反应。“回购则很难这么说，”他说。投资者该如何看待股票回购？
Buybacks and dividends also differ in how much they commit a company to returning cash in the future. Once a company begins paying a regular dividend, investors tend to expect those payments to continue — and potentially increase over time. Investors can react negatively when a company cuts its dividend, Leiphart says. "The same can't really be said about a buyback," he says. What should investors make of a stock buyback?
回购可以向投资者传递这样一个信号：公司手头有现金想用于自家股票，并可能暗示管理层认为股价被低估。但仅凭这一点，无法判断该公司是否为优质投资标的。
A buyback can tell investors that a company has cash it wants to spend on its own shares and may signal that management believes the stock is undervalued But that alone doesn't say whether the company is a good investment.
Leiphart建议，投资者可以关注自由现金流、营收增长等指标，以及公司的领导层、股票表现相对于同业的情况。
Instead, investors can look at measures such as free cash flow and revenue growth, as well as the company's leadership and how its stock has performed relative to its peers, Leiphart says.
谈到股票回购本身，公司的资产负债表至关重要。莱帕特表示，债务负担过重可能是一个危险信号，尤其是当公司借款回购股票时。
When it comes to the buyback itself, the company's balance sheet matters. A heavy debt load could be a red flag, particularly if the company is borrowing money to repurchase shares, Leiphart says.
公司回购股票的价格同样重要。回购估值被低估的股票可以成为现金的有效用途，而以过高价格回购则可能损害公司价值。富达表示，衡量股票估值的一种方法，是将其市盈率与类似公司的市盈率进行比较。佐治亚州 VIP Wealth Advisors 的注册财务规划师马克·斯坦卡托说：“只有当公司以合理价格回购自家股票时，股票回购才是一笔划算的交易。”
The price the company pays for its shares matters, too. Buying back undervalued shares can be an effective use of cash, while overpaying for them can destroy value. One way investors can gauge a stock's valuation is by comparing its price-to-earnings ratio with those of similar companies, according to Fidelity "A buyback is only a good deal if the company is buying its own stock at a good price," says Mark Stancato, a certified financial planner with VIP Wealth Advisors in Georgia.
此外，还需要考虑这笔资金是否可以用在其他地方。莱帕特指出，研发和招聘也可以替代股票回购，成为资金用途。
There's also the question of what else the company could do with the money. Leiphart points to research and development and hiring as potential alternatives to buying back stock.
不过，公司用于回购股票的资金规模，并不一定意味着其股份总数会等量减少。莱帕特表示，公司还可能发行新股作为员工薪酬，因此部分回购实际上只是抵消了这种股权稀释。
And the amount a company spends on buybacks doesn't necessarily translate into an equivalent reduction in its share count. Companies may also issue new shares as employee compensation, meaning some repurchases simply offset that dilution, says Leiphart.
评估一家公司的财务健康状况和估值可能相当复杂，而这正是财务顾问可以提供帮助的地方。即使对投资专业人士而言，在判断一家公司是否值得投资时，股票回购也只是需要考虑的因素之一。
Assessing a company's financial health and valuation can be complicated, though, which is where a financial advisor can help. Even for investment professionals, though, a buyback is just one factor to consider when deciding whether a company is a good investment.
“我可能会提到这一点，但它并不算是我筛选股票或为客户投资组合选择标的时的一项关键指标。”莱帕特说。
"I might mention it, but it's not sort of an ingredient by which I'm picking a stock or selecting something for a client's portfolio," says Leiphart.
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