By Bret Kenwell Apple stock is now up in four straight sessions. Here’s how it can continue to lead the market higher. As the summer days tick by, the bulls are slowly but surely trying to regain control of the stock market. They will have a hard time doing so without Apple (AAPL) – Get Apple Inc. Report on board. Apple is the largest company in the market, with a $2.35 trillion market cap. That’s roughly $350 billion larger than the next largest company, Microsoft (MSFT) – Get Microsoft Corporation Report. For what it’s worth, we recently dissected both of these companies, concluding that the…