From Rubber & Plastics NewsBoulder City, Nevada-Polyurethane tyre developer Amerityre Corp., which has yet to turn a profit in 45 quarters of existence, will begin trading its common stock 21 March on the NASDAQ Capital Market."We look forward to the enhanced access to the capital markets, improved liquidity and added shareholder value that are typically associated with a NASDAQ listing," said Richard Steinke, Amerityre president and ceo.The NASDAQ Capital Market-formerly called the SmallCap Market-was set aside for smaller companies. To be listed on this market, a company must have stockholders´ equity of at least $5 million or market value of listed securities of at least $50 million.Prior to this the firm's stock was traded over the counter.For the quarter and six months ended 31 Dec, Amerityre reported net losses of $1.16 million and $2.23 million on revenue of $302 000 and $738 000 , respectively. The company has accumulated more than $45 million in losses since its inception in 1995 as American Tire Corp., against about $5.9 million in revenues.In February it generated $3.87 million in funds through a private placement of 107 500 units of company securities.Amerityre is engaged in the development of tyre technologies based on polyurethane. Most recently it has begun work on a non-pneumatic temporary ("spare") tyre and retreads for medium commercial truck, industrial, and mining tyres.NASDAQ is the largest US electronic stock market, with approximately 3300 companies."