Key TakeawaysBroadcom's earnings after the bell Thursday could help chip stock recover after shares of Nvidia and other semiconductor companies tumbled earlier this week.Nvidia shares lost ground Tuesday and Wednesday amid concerns about the chipmaker's outlook and following reports U.S. regulators sent the company subpoenas, though Nvidia denied the reports.Broadcom is expected to report revenue and earnings growth, boosted by artificial intelligence demand, which could help reassure investors of the secto ...