normal levels, while Co-Diagnostics — which soared 57% on hope of a coronavirus test — had 20 times its normal activity.

U.S. stocks tumbled this week as fears of the virus and its possible economic impact weighed on investor sentiment. World Health Organization officials said Friday they are increasing the risk assessment of the coronavirus to "very high" across the world. The disease has spread to at least 49 countries in a matter of weeks.

Wall Street's so-called fear gauge, the Cboe Volatility Index, hit its highest level since February 2018. The TVIX exchange-traded note was also one of the top trades on SoFi this week.

On the passive, "robo" investing side, SoFi said customers shifted from "aggressive" to "moderately aggressive" with people proactively changing their strategies more than usual. SoFiA woman in the US has been charged with carjacking and property damage after she allegedly stole a vehicle by throwing a live snake at the driver - before crashing through barricades set up for a pole-vaulting exhibition.

Hilmary Moreno-Berrios, 29, is accused of demanding the woman at the wheel of the SUV hand over her keys before launching the black reptile at her when she refused to comply.

She allegedly took control of the vehicle in South Carolina with the non-poisonous critter still inside and ended up smashing into barriers set up for the third annual Liberty Bridge Jump-Off, held in the city of Greenville on Friday.

Image: Hilmary Moreno-Berrios allegedly stole an SUV by throwing a live snake at the driver. Pic: Greenville Police Department

Upon disrupting the popular event,