Stocks to watch on Tuesday: Square (SQ) - the mobile payments provider got 2 upgrades to a Buy and the stock is only up 1.3%. When a stock doesn't rally on multiple upgrades. investors should be leery of the near term prospects. Square still has a retest of $50 before the stock turns appealing. Fitbit (FIT) - load up at $3 and thank me later. Premium services won't be hit by tariffs. Weibo (WB) - the Chinese internet company is making an attempt to breakout after the market was impressed with the Q2 results. A break above $45 would likely open up a rebound to $70. The stock was up at $140 in February 2018 so a sharp rebound should be in order. Also watch Baidu (BIDU). Disclosure: Long FIT, BIDU