Oct 26 (Reuters) - Shares in Digital World Acquisition Corp (DWAC.O), the blank-check company that plans to publicly list former U.S. President Donald Trump"s new social media venture, were on track for their second straight day of losses on Tuesday after a staggering rally last week. The stock was last down 17.7% at $69.00 with trading ranging between $65.37 and $91.35 so far in the session. Its shares gained more than 800% last week. read more The shares had closed down just under 11% on Monday, the day short-seller Iceberg Research said it was betting against the company. read more On Friday the stock rose 107% to $94.20 after hitting a session high of $175. On Thursday it had risen 356.8% with some market specialists likening trading in DWAC to a meme-stock trading frenzy earlier this year. read more Other stocks linked to the former Republican president also tumbled on Tuesday. Shares of Phunware (PHUN.O), a company hired by Trump"s 2020 Presidential reelection campaign to build a phone app, were recently down 31.7% at 4.89 after it filed for a $48.5 mln at-the-market (ATM) equity program. The stock on Friday soared nearly 1,500% to $24.04 before finishing session up 471% at $8.74.