The title says it all, though I do think it is understood you need to tag on “for the trading day” at the end.
From the Business Times, dateline 2010-06-24:
Petronas Dagangan Bhd, the retail arm of Malaysia’s state oil company, fell the most in more than two years after exceeding a technical indicator that some investors use as a signal to sell the stock.
The shares slid 4.9 per cent to RM9.30 at 9.19 am local time in Kuala Lumpur. On June 23, they jumped 5.2 per cent, increasing their 14-day relative strength index to 77, the highest since October 20.
Some traders and investors use a reading above 70 as a signal that prices have risen too rapidly and may drop.
Wata - Malaysian Oil and Gas Engineer 