Why Petrobras, Whirlpool, and Luxoft Holding Slumped Today

Stocks fell on Thursday, with the Dow Jones Industrial Averagefinishing modestly lower but with other major benchmarks closing nearly unchanged. Investors largely recovered from an early decline following the White House decision to cancel its scheduled meeting next month with Kim Jong Un of North Korea, instead focusing mostly on economic fundamentals that remain favorable throughout much of the world.

Some individual companies, however, had to deal with adversity that sent their shares lower. Petroleo Brasileiro (NYSE: PBR), Whirlpool (NYSE: WHR), and Luxoft Holding (NYSE: LXFT)were among the worst performers on the day. Here's why they did so poorly.