At 9.05am the benchmark FTSE Bursa Malaysia KLCI (FBM KLCI) was up 4.80 points at 1,551.67 from Tuesday's close of 1,546.87.
The index opened 3.45 points strong at 1,550.32.
It opened rebounding from losses for 3 days in a row as a result of positive sentiment following the announcement of the reopening of Malaysia's international border by April 1.
On the broader market, investors saw gainers outpacing losers by 249 to 85, while 218 counters were unchanged, 1,721 untraded and 11 suspended.
Total turnover at 116.73 million units worth RM72.52 million.
A note from Malacca Securities Sdn Bhd stated that investors may start focusing on the tourism and aviation -themed sectors following the announcement of the reopening of the country's borders.
He added, however, that there was still sentiment of concern after tracking Wall Street's overnight performance which was squeezed by the issue of soaring commodity prices, but there may be bargain-hunting activity in certain commodity sectors.
Heavyweights saw Malayan Banking Bhd (Maybank) rise 1 sen at RM8.81, Public Bank Bhd and IHH Healthcare Bhd added 5 sen at RM4.35 and RM6.43 and Petronas Chemicals Group Bhd reached 4 sen at RM9.74 while Press Metal Aluminum Holdings Bhd lost 13 sen at RM6.66.
Active stocks saw Capital A Bhd rise 2 sen at 68.5 sen, Dagang NeXchange Bhd (DNeX) advanced 2.5 sen at 96 sen and SMTrack Bhd strengthened 0.5 sen at 11 sen while Ta Win Holdings Bhd and Bumi Armada Bhd remained at 13.5 sen and 42 sen respectively. .
On the index board, FBM Emas rose 49.68 points at 10,928.01, FBM 70 added 112.28 points at 12,577.58, FBMT 100 rose 45.94 points at 10,639.74, FBM ACE bloomed 35.40 points at 5,060.34 and FBM Emas Shariah reached 37.68 points at 11,592.44.
In terms of sectors, the Products and Services Industry index strengthened 0.11 points at 203.30, the Financial Services index rose 84.52 points at 15,854.89 and the Plantation index rose 19.74 points at 8,269.91.