Shares of the following companies had unusual moves in Malaysia trading. Stock symbols are in parentheses and prices are as of the 5 p.m. close in Kuala Lumpur.

The FTSE Bursa Malaysia KLCI (FBMKLCI) Index fell for a fourth day, losing 11.21, or 0.8 percent, to 1,484.14, its lowest close since Oct. 18.

Airlines: AirAsia Bhd. (AIRA) and Malaysian Airline System Bhd. (MAS) dropped after they were downgraded by HwangDBS Vickers Research Sdn., which said higher fuel prices will hurt earnings.

AirAsia, Southeast Asia’s largest budget carrier, fell 2.8 percent to 2.47 ringgit, the most since March 2. The stock was reduced to “fully valued” from “buy,” Juliana Ramli, an analyst at HwangDBS, wrote in a report today. Malaysian Airline, which was cut to “fully valued” from “hold,” lost 3.2 percent to 1.80 ringgit, the lowest close since Feb. 19.

Gamuda Bhd. (GAM) , a builder, dropped 0.8 percent to 3.68 ringgit, its lowest close since March 2. Gamuda’s stock rating was cut to “hold” from “trading buy” at ECM Libra Capital Sdn. to reflect concerns over the company’s “exposure” to Vietnam’s property market, a report today said.

ManagePay Systems Bhd. (MPSB MK), a payment services provider, surged 38 percent to 22 sen in its first day of trading. The company sold shares at 16 sen a share, according to its prospectus dated Feb. 22.