Aurora InnovationNASDAQ: AUR

Penny stocks are risky. That's why we attach a warning to the tail-end of penny stock articles.

With the advancement of the Internet, you might think under-the-radar stocks might be an obsolete concept. In a way, that's true.

An 18-wheel tractor-trailer navigated a curve on a three-lane test track alongside the Monongahela River, with no occupants inside.

Indicating that growth stocks are in the initial stages of a hot comeback, the iShares Russell 2000 (NYSEARCA: IWM ), whose movements are largely determined by growth stocks, is up nearly 5% year-to-date. Moreover, on March 20, the U.S. Federal Reserve's Summary of Economic projections indicated that the central bank still intends to cut its benchmark rate by 0.75 percentage points this year.

Penny stocks provide risk and profit but frequently lie in the shadows in the fast-paced world of investing. Nevertheless, three-penny stocks stand like diamonds in the dust among the chaos and uncertainties.

As the broader indices like the Nasdaq and the S&P 500 continue to move higher, this has led to this list of high-risk, high-reward stocks that investors should pay attention to. When the backdrop is bullish as it is today, investors could make some solid returns via investing in companies such as these, as a rising tide lifts all boats.

Aurora Innovation, the autonomous vehicle technology company aiming to launch a “driverless” self-driving trucks business by the end of 2024, laid off dozens of workers this week, according to sources familiar with the action.

Aurora and automotive supplier Continental have wrapped up the first phase of a more than $300 million project to mass produce autonomous vehicle hardware for commercial self-driving trucks. The two companies said Friday that the design and system architecture of an autonomous vehicle hardware kit is now complete.

It's rather difficult for retail investors to make money with short-term trades for several reasons. First of all, the Street frequently causes stocks to suddenly and unexpectedly rise or fall, ruining “momentum trades.