Why stock trackers flock to the S&P 500

S&P is Wall Street’s indicator while Main Street’s is the Dow

US stocks rally amid volatility

China’s economy and Fed uncertainty dominate trading

NYSE acts to curb early swings

Traders complain it took too long for some stocks to open

Robo-advisers won’t look you in the eye

Can automated platforms really close the advice gap?

BlackRock planning to bring robo-advice to Europe

No timeline for rollout following deal for US provider FutureAdvisor

BNY close to resolving software glitch

Mutual funds examine how many customer trades need reprocessing

BlackRock renews push for stricter ETF definition

Others in industry also calling for new product labelling

Market tumult shows cracks in the armour

Participants urge more co-ordination of protections across assets

Deutsche shutting 18 Lux ETFs

Closures seen as purging complex, synthetic offerings

ETF providers question US trading limits

Pricing problems linked to post-flash crash regulations