SAN FRANCISCO :Chip designer Arm Holdings on Wednesday forecast revenue in line with Wall Street targets, sparking a 4.5 per cent drop in shares that some analysts attributed to dashed hopes for stronger, AI-fueled growth. Bets that Arm, which licenses its designs, will benefit from a surge in AI computing have more than doubled the chip designer’s share price since its initial public offer last September, giving it a market value of about $144 billion. Its forecast, however, failed to live up