Investors might be unsure where to place their money this year. But some S&P 500 companies are on the verge of churning out profit almost faster than it can be counted. Five S&P 500 stocks, including Nvidia (NVDA), Alphabet (GOOGL), Micron Technology (MU), Microsoft (MSFT) and Apple (AAPL), are expected to earn $4,000 or more, per second, in the second…