It's 'difficult to ignore the magnitude' of Walmart's e-commerce slowdown (WMT)

Shares of Walmart lost 10% Tuesday after posting disappointing online sales growth.
E-commerce growth slowed to about half what it had been the previous quarter.
The results triggered a slew of downgrades from Wall Street analysts. Walmart saw its worst day on Wall Street in more than 30 years Tuesday after reporting earnings that fell short of expectations and spooked investors.
Shares lost more than 10% in trading, resulting in a $31.6 billion decline in market cap, after e-comm