Amazon.com Inc (NASDAQ:AMZN) shares are trading lower Monday following a downgrade from Wells Fargo. The stock also appears to be facing selling pressure after a federal judge said the Federal Trade Commission (FTC) can proceed with its lawsuit against the company. What To Know: Wells Fargo analyst Ken Gawrelski downgraded Amazon from Overweight to Equal-Weight on Monday and lowered the price target from $225 to $183, citing slowing growth and stiffer competition, per CNBC. The Wells Fargo analyst believes Amazon remains a margin expansion story. Although the market is already bracing for weak…