On the 20th anniversary of Google's market debut, CNBC's Jim Cramer looked back on the stock's impressive climb and advised investors to stick with good companies for the long term, even if it means shouldering some short term losses.He first addressed Monday's Wall Street action, noting the market's eight-day winning streak. These kinds of gains can create a "fraught situation," he said, and will likely be followed by declines. When the market seems overbought, investors don't want to own too much stock, b ...