Super Micro stock sinks 20% after earnings, outlook disappoint

Super Micro Computer shares plunged 20% on Wednesday after the company posted weaker-than-expected fiscal fourth quarter results, dented in part by President Donald Trump's tariffs.

CEO Charles Liang told investors on a conference call that the company has "taken measures to reduce the impact" of the tariffs.

"With respect to the tariffs, the situation is dynamic," CFO David Weigand said on the investor call. "We're actively monitoring the tariff environment. We know there's news coming out next week. If we have any updates, we'll share it with you, but we can only watch and react as every other business is."

Super Micro reported fourth-quarter adjusted earnings per share of 41 cents, compared with expectations for 44 cents. Revenue came in at $5.76 billion, which was below analysts' forecasts of $5.89 billion.

Liang told investors the company was hindered by a June revenue shortfall due to a lack of working capital and "specification changes from a major new customer."

The company has in recent years benefited from surging demand for AI servers packed with Nvidia chips, but has growth has since slowed.

The server maker also offered guidance late Tuesday that fell short of consensus estimates. Super Micro said it expects 40 cents to 52 cents in adjusted earnings per share on $6 billion to $7 billion in revenue for the fiscal first quarter.

Wall Street had projected 59 cents per share and $6.6 billion in revenue for the first quarter.

For the full year, Super Micro said it expects revenue to be at least $33 billion. That's a step down from its forecast in February, where it projected as much as $40 billion in sales, but greater than the LSEG consensus of $29.94 billion.

CNBC's Jordan Novet contributed reporting to this story.