Jet Airways soars on hope oil slump will aid

Reuters Market Eye - Jet Airways gains 3.7 percent,

Shares up 64.8 percent since Nov. 25, as of Monday's close.

Oil dives 4 percent to five-year low on oversupply worries.

Every $1/bbl fall in crude can boost company's FY16 oper profit estimate by 4-5 percent, say analysts.

Weakness at rivals will also boost sales, say traders.

SpiceJet cuts fleet size to save costs.

(Reporting by Abhishek Vishnoi)