Short selling in UWC was suspended after its share price dropped more than 15pct today.
Its shares dropped as much as 16.05pct or 39 sen to RM2.04.
The 30-stock key index closed lower in line with weak regional markets after Wall Street's heavy sell-off.
The FBM KLCI will likely trend within the 1,670 and 1,700 range this week.
The ringgit was trading higher at 4.3520 against the greenback.
The most traded cryptocurrency hit a one-month low of RM247,639, as traders offloaded riskier investments due to fears about the economic outlook.
That's it for Market Pulse.