"The market's starting to say that the glass may be half empty".
This trend began with emerging markets, where companies are struggling with rising US interest rates and local currency depreciation - but it is now spreading to USA companies because of challenges to their profits margins.
The Dow Jones industrial average gave up 738 points, or 2.8 per cent, to 25,686.
Sanders highlighted strong economic indicators, including low unemployment and rising wages, saying President Donald Trump's policies "have created a solid base for continued growth".
The Dow Jones fell by more than 500 points, a drop of nearly 2pc, while the wider S&P 500 index fell for a fifth day straight, its worst run in nearly two years. A lot of that was because of the so-called FAANG stocks - technology names such as Facebook, Amazon, Apple, Netflix and Google - flying into turbulence on Wednesday.
The 10-year Treasury note yield traded around 3.23 percent, while the two-year yield reached its highest mark since 2008. The yield was just 2.82 percent in last August.
The technology-heavy Nasdaq composite dropped 4.1% to 7,422 points, its biggest loss since February 8.
It came after Wall Street stocks plunged Wednesday, with major indices losing more than three per cent in a sell-off prompted by the sudden jump in United States interest rates and increasing trade worries.
The Dow Jones Industrial Average fell as much as 519 points in afternoon trading Wednesday.
"As stocks go up, tech goes up more than the stock market". Nvidia wasn't spared either as the GPU-manufacturer out of Santa Clara, CA saw a drop of seven-and-a-half percent itself which brings its year-to-date market gain to 33 percent.
The 2-year yield hit its highest level since 2008.
S&P 500 e-mini futures EScv1 and Nasdaq futures NQcv1 were both down 0.1 percent. Amazon skidded 6.2 percent to $1,755.25.
The Nasdaq 100 Index plummeted more than four percent as Wall Street endured its sharpest one-day fall in months.
The S&P 500 is on track for its fifth drop in a row and its biggest decline since April.
Although the losses were widespread, stocks that have been the biggest winners on the market, including technology companies and retailers, suffered steep declines.
Apple gave up 4.6 per cent to US$216.36 and Microsoft dropped 5.4 per cent to US$106.16.
Investors may want to shift out of momentum and into more defensive stocks - companies that aren't as expensive and also pay healthy, stable dividends. Natural gas rose 0.6 percent to $3.28 per 1,000 cubic feet.
Sears Holdings plunged 32 percent after the Wall Street Journal said the debt-laden retailer was preparing for a possible bankruptcy.
Wall Street stocks has plunged with major indices losing more than three percent in a sell-off prompted by the sudden jump in U.S. interest rates.
The small-cap Russell 2000 index, less sensitive than its larger peers to global worries such as trade and yields, was down 1 per cent at 1,605.60 points, below its 200-day moving average. All 30 of the Dow's stocks were in the red and it fell below 26,000 total points for the first time in a month, CNN reported.