The markets are expected to move in a narrow range on Thursday, with brokers pointing out that retail investors may prefer to stay on the sidelines.On Wednesday, the Sensex had fallen 84 points to 13073. Analysts continue to highlight valuation concerns in the Indian market.Global cues were also mixed - The Nikkei fell 43 to 16,173 in mid-morning Tokyo session. In contrast, the Dow had risen 20 to 12,177.