Investing.com - Wall Street firms are telling investors that President Trump's reported anger over Amazon (NASDAQ:AMZN)'s market dominance is unlikely to yield any meaningful action and that the stock's recent decline presents a buying opportunity. What's more, they say there is little, if anything, he can do with existing anti-trust or tax laws to affect the ecommerce giant. Deutsche Bank (DE:DBKGn) told clients that there is "some small risk" the President could put up some "roadblocks", but if it was such a "slam dunk" then the President would have already tweeted about "an impending regulatory action."GBH Insights told clients that "the reality of these worries altering the company's business model and future tax structure are low."Analysts also note that the President has criticized Amazon in the past but hasn't taken any action.