Shares of Sterlite Technologies, a Vedanta Group-owned stock, have seen a 270% rally in 43 trading sessions. The rally has pushed the stock into Stage 4 of the Long-term ASM Framework, which is the strictest regulatory category, CNBC-TV18 reported. "[We're] not aware of any unpublished price sensitive information, which…may have...bearing on price/volume behaviour in the scrip," the firm said.