Shares of Samsung, Ericsson and Fortinet in Early Trading Wednesday

A cautious start for Wall Street on Wednesday ahead of the release of minutes from the last Fed meeting. More than usual market observers are keen to parse the Fed's growing internal debate about hiking interest rates. Samsung slashed its Q3 guidance after pulling its Galaxy 7 Smartphone. Ericsson (ERIC) - Get Report reported a plunge in quarterly operating profit and tumbling sales and slashed its earnings guidance. Cybersecurity company Fortinet (FTNT) - Get Report  reported disappointing third-quarter results and lowered top and bottom line guidance for next quarter. Meanwhile, General Motors (GM) - Get Report  is investing in a car-sharing technology company in China. TheStreet's Jeanne Yurman reports from Wall Street.

This article was written by a staff member of TheStreet.