Industries Qatar rose 1.8 percent. The company is forecast to post a net profit rise of 43 percent, according to an average of analyst estimates.
Qatar's benchmark rose 1 percent to 8,835 points — its highest level since Feb. 15, outperforming regional markets, a trend analysts expect to continue. Qatar National Bank jumped 3.4 percent to a 10-week high after posting a 34 percent rise in quarterly earnings.
"We expect to continue the uptrend... maybe to 9,000 points in the medium-term," said Hani Girgis, assistant chief dealer at Dlala brokerage. "The following results will support our trend."
Egypt's benchmark fell 1.3 percent to 5,277 points — a new two-week low.
"It just doesn't make sense to put money in the Egyptian market. There is no opportunity coming from it because no one knows anything. There is no clear direction," said Teymour el-Derini of Naeem Brokerage.
Telecom Egypt and Orascom Telecom dropped 2.8 and 1.6 percent respectively.
Dubai's index ended on an eight-week high as small-cap stocks rallied. The measure climbed 0.2 percent to 1,573 points.
"It's a very split market, the small caps have gone off to the races," said Julian Bruce of EFG-Hermes.
Deyaar jumped 9.4 percent to an eight-week high after its largest one-day gain in nine-months.
Shuaa Capital climbed 4.4 percent to a two-month high after newspapers quoted the investment bank as saying Tunisia's regulator had lifted a freeze on its brokerage accounts in the country. The benchmark gained 0.2 percent.
"Western institutionals (are looking to) buy into positive news. They're just sitting and waiting for earnings and some activity," said Bruce.
Abu Dhabi's benchmark climbed 0.4 percent to 2,619 points.
Etisalat and National Bank of Abu Dhabi rose 0.5 and 0.9 percent respectively.
The Saudi index edged up to a higher close for a third session in seven, as Mobily gained 2 percent. The Tadawul All-Share Index (TASI) closed 0.08 percent higher at 6,611.73 points. The Saudi stock market turnover reached SR4.97 billion on Monday.
"The general tone of Q1 earnings thus far has been less than impressive which is giving the index a good reason to consolidate and prompting retail investors to get their hands dirty playing the Saudi insurance roulette," said Amro Halwani, a senior trader at Shuaa Capital in Riyadh.
The Kuwaiti index added 0.4 percent to 6,365 points.
The Omani index edged up 0.05 percent to 6,329 points.
The Bahraini index ended flat at 1,419 points.
