Wall Street is celebrating the sixth anniversary of the bull market by starting slightly higher at Monday's opening bell. Apple's (AAPL) watch will likely be unveiled at the tech giant's first major event of the year. Details on the new watch including price is expected to be outlined at the meeting in San Francisco. General Motors (GM) said it will buy back $5 billion in stock. The move hopes to end a potential battle with activist investors on how the automaker uses its cash. GM will also raise its quarterly dividend by $0.06 a share. Tesla (TSLA) is cutting jobs in China. The electric car-maker did not say exactly how many jobs will be cut, as a result of missing sales.