ARM stock falls over 6% after HSBC downgrade flags valuation risks, despite KeyBanc raising its price target to $430. Get details.

ARM drops 7% ahead of July 29 earnings. With a 380x P/E ratio, can growth justify the premium valuation? Read our analysis.

ARM stock falls over 6% after HSBC downgrade flags valuation risks, despite KeyBanc raising its price target to $430. Get details.

Arm Holdings (NASDAQ: ARM) stock slid nearly 5% premarket on Thursday after an investment firm downgrade raised near-term valuation concerns, despite massive backend semiconductor…