Dubai's index slumps to a two-month low as investors await first-quarter earnings in the absence of other news to trade on.
Investors are waiting to see if first-quarter earnings will justify the market's early-year surge. Results season is likely to start in late April.
The emirate's index sheds 0.2 percent to 1,826 points, its lowest close since Jan. 28 and fourth decline in five sessions.
Dubai volumes drop to a two-week low. Trading tends to fall when there is little company news to move share prices.
Emaar Properties and Air Arabia decline 0.6 and 1.9 percent respectively.
Islamic Arab Insurance tumbles 8.1 percent, trading ex-dividend.
Abu Dhabi's benchmark slips 0.6 percent to end at 3,008 points, trimming 2013 gains to 14.5 percent.
In Qatar, the index falls 0.9 percent to 8,501 points, its lowest since finish since March 6 and third straight decline.
Heavyweight Qatar Telecom drops 3.6 percent and Qatar Navigation (Milaha) falls 5.8 percent, both trading post-dividend.
Elsewhere, Kuwait's climbs 0.2 percent to 6,736 points. Trading in 17 companies' shares have been suspended after they failed to report earnings by Sunday's deadline.