Could Stock Market Investments Rescue Social Security New Research Suggests Limitations Arafura Rare Earths Plans 250 Million Share Sale Backed by Australias Richest Person FTSE 100 Edges Higher as Iran Deal Optimism Tempers Oil Price Surge Indian Market Breadth Weakness May Keep Nifty in Sideways Trend Banking and IT Sectors in Focus Micron Stock Surges to Milestone as UBS Boosts Price Target on Strong Memory Chip Demand Comfort Systems Analyst Estimates What Investors Should Know