After a big jump on Thursday, the Nasdaq Composite (NASDAQINDEX: ^IXIC) appeared likely to rise again Friday morning, with index futures rising nearly half a percent in premarket trading. Indeed, a pair of Nasdaq-listed artificial intelligence (AI) stocks played an instrumental role in keeping the rally going. Both Marvell Technology (NASDAQ: MRVL) and Workday (NASDAQ: WDAY) posted solid gains after releasing their latest financial results, and both companies mentioned artificial intelligence as a key driver in their future prospects.