Price is fickle but volumes are not. Everybody knew where reliance multi year top was (at around 1100). Now you might have waited for it to cross at 1100 to buy. But the exponents of Volumes (OBV) got the signal at 900 itself when OBV broke out above the multiyear highs. (more than 20% earlier). So what made reliance go higher. the price or the volumes. You do not read about this in textbooks it is only experience via screen time which tells you what to rely more price or volume.