$Alphabet-A(GOOGL.US)$ , the parent company of Google, is on the verge of reaching a huge milestone, hoping to join Apple and Microsoft in the $2 trillion market cap club. Stocks set a record high for the fourth straight day on Thursday. In spite of that, Miller Tabak's chief market strategist Matt Maley offers a word of caution. By far, Alphabet is the best-performing stock among the FAANG firms, with returns roughly twice those of Facebook, the second-best stock. Boris Schlossberg, managing director of FX strategy at BK Asset Management, thinks that Alphabet's long-term prospects remain positive....