The S&P 500 is trading at around record levels, and so too are many stocks. But that doesn't mean that valuations can't continue to go higher. Companies are continuing to post strong results. As long as that's the case, there may still be plenty of bullishness in the markets for the foreseeable future.There are, however, some stocks that may be more likely to rise in the second half than others. Three stocks that have historically done well in the latter part of the year are Nvidia (NVDA 0.53%), Advanced Mi ...