on Friday urged his followers to support his social media app Truth Social, as its parent company's continues to .
Trump in a on that app said he believes Truth Social embodies the political "movement" behind his "Make America Great Again" slogan, adding that "it shows the Spirit and Love of our Country."
"If people who believe in putting America First and want to Make America Great Again, support TRUTH," Trump wrote.
"We will be your Voice like never before, and a Real Voice is what our Country needs, because we are in decline, and must bring America to Greatness," he wrote.
It was not clear whether Trump was urging his supporters to use the app or buy shares in , which started publicly trading on the Nasdaq last month.
The stock, which trades under the ticker DJT, shot up more than 50% in its March 26 debut but has tumbled lower in subsequent trading days.
Trump Media's share price on Friday morning dipped below $30, a decline of more than $40 from its roaring start. It ended the trading day up 0.6%, but failed to offset an almost 20% decline on the week. Shares are down nearly 50% so far in April.
Trump is nevertheless poised to reap a financial windfall from the company. Despite the stock's downward spiral and the company's , Trump Media still boasted a market capitalization of more than $4.2 billion as of Friday.
Trump owns more than 57% of the company's stock, though he is barred from selling his stake until a six-month lockout period expires.
Trump Media's CEO, former Republican Rep. Devin Nunes, has argued that the company is "well positioned" because it has no debt and $200 million in cash on hand. Nunes, in a Fox News interview Monday, suggested that the company is considering adding video streaming capabilities to Truth Social and making it a hub for "canceled" channels and documentaries.
Trump, the presumptive Republican presidential nominee, Truth Social from its critics earlier in April.
Neither Trump's posts nor Nunes' claims have yet to halt the stock's slide.
