Didn't Musk also go on CNBC about a month ago basically saying TSLA is overvalued now? Something to the effect of 'the market is being very generous with our valuation.' Didn't watch it, just heard it happened.
Tesla or not, the new trend soon will be a big rise in alternative energy sources. Solar, Wind are already here and they will be made more efficient and thus cheaper. Expect many more new sources to chip in also