While key benchmark indices may witness volatility in early trades Friday, technology stocks could face hurdles after Infosys slashed its revenue projection for the year on concerns over weak IT spend by clients. The technology major's ADR tumbled 9.5% in overnight trade on Nasdaq. Overnight, tech-heavy Nasdaq also tumbled 2%, which is likely to have a rub-off effect on domestic software stocks. Besides, FMCG major HUL facing challenges on volume growth in Q1 indicates things are not completely out of the woods for the FMCG pack. Technically speaking, the benchmark Nifty will struggle to make significant headway amidst overbought conditions, while support for the index is seen at 19759, even as the benchmark index is few points away from capturing the 20k summit.