Micron Technology suffered a steep intraday decline, slipping 7.7% in morning trading after a sector-wide correction was triggered by a dramatic post-earnings selloff at Broadcom. The spillover wiped away some of the froth in AI-related semiconductor stocks and erased gains from Micron’s record-setting session the day before.
Broadcom posted fiscal second-quarter revenue of $22.19 billion, a 48% year-over-year increase, and provided guidance for the third quarter of $29.4 billion. Yet the company’s CEO, Hock Tan, opted not to raise Broadcom’s full-year AI semiconductor revenue target of $100 billion, a move that disappointed investors who had been expecting an upward revision. Broadcom’s shares subsequently fell by roughly 15%, a decline that acted as the immediate catalyst for de-risking across the semiconductor group.
The weakness at Broadcom quickly transmitted to Micron, which had climbed to an all-time intraday high of $1,089.29 in the prior session. That lofty level and the stock’s recent advance left Micron particularly exposed to a sympathy selloff once sentiment soured in the peer group.
Several factors specific to Micron amplified the downside. The company’s market capitalization had expanded to about $1.2 trillion after the rally, prompting a number of valuation metrics to flag the stock as overbought. Insider activity added to investor unease: roughly $92.5 million in Micron shares were sold by insiders over the prior three months. Analyst consensus price targets also remained well below Micron’s then-current trading range, with the average 12-month estimate sitting a substantial distance beneath recent prices - a dynamic that reinforced concerns about near-term downside risk.
The broader market backdrop offered little comfort to high-multiple technology names. The Nasdaq Composite declined by 0.8% as funds rotated away from AI and semiconductor exposure, while the Dow Jones Industrial Average moved in the opposite direction, gaining 1.5% - a classic signal of rotation into more defensive or value-oriented areas of the market.
Adding to the cautious tone, nine U.S. industry associations sent a letter to senior administration officials on June 3 warning that AI-driven memory chip shortages are disrupting automotive and healthcare supply chains. That development raises the prospect of increased policy scrutiny that could complicate supply dynamics in the memory market and add another layer of uncertainty for companies in the space.
Combined, the earnings-related shock at a major competitor, high relative valuations near record levels, notable insider selling, and a sector-unfriendly market rotation pushed Micron’s shares sharply lower on the session. With Micron’s own fiscal third-quarter earnings not scheduled until June 24, the company lacks an immediate fundamental catalyst to counter the selling, leaving the stock dependent on shifts in sector sentiment until that report arrives.
Investors and market participants will likely watch sector earnings and guidance from peers closely for signs that demand and supply dynamics for memory chips are stabilizing, but for now the confluence of headline-driven volatility and technical vulnerabilities has put downward pressure on Micron shares.