At Insider Monkey we scour multiple sources to uncover the next great investment idea. There is a lot of volatility in the markets and this presents amazing investment opportunities from time to time. For example, this trader claims to deliver juiced up returns with one trade a week, so we are checking out his highest conviction idea. A second trader claims to score lucrative profits by utilizing a "weekend trading strategy", so we look into his strategy's picks. We read hedge fund investor letters and listen to stock pitches at hedge fund conferences. We recently recommended several stocks partly inspired by legendary Bill Miller's investor letter. Our best call in 2020 was shorting the market when the S&P 500 was trading at 3150 in February after realizing the coronavirus pandemic's significance before most investors. Now we're going to take a glance at the key hedge fund action regarding Quanta Services Inc (NYSE: PWR ).