s&p rose 14, the nasdaq gained 17. overseas trading this morning, in tokyo, the nikkei up a fraction. in honk congress, the hang seng shot up 425. stocks did continue their roller coaster week with big crime on thursday. traders looking for reassurance ahead of this weekend's elections in greece welcomed a reuters report that central banks from 20 major economies will step in if greek results lead to market turmoil. that report fueled optimism already on the rise from hopes that yesterday's tame inflation reading and other weak jobs report will encourage the fed to step in with some more stimulus. leading the s&p, international game tech knowledge jumped 14% on news of a $1 billion stock buy back. u.s. traded shares of nokia plunged 15 about% on news it planned to slash 10,000 jobs. and in vienna, opec leaders left