Sell below 730 with sl above recent swing high ( if market starts falling without breaking Today's high then high of today will be SL) for target of 675-667.
RSI failure + negative divergence is clearly visible. Price is below 20 DEMA which is turning down. Gap down is an established uptrend must be paid attention. RS has crossed below signal line.
Disc : it's not an investment advice to buy or sell