Informa’s chief macro strategist doesn’t expect the sudden interest in shorter-term issuance will last.

Price action alone is only a temporary rationale.

S&P and MSCI plan to overhaul their industry classifications, merging internet and media stocks with phone companies to replace the telecommunication sector.

Turkey, Hong Kong, Poland and Hungary have all risen more than 20 percent, with Istanbul’s bourse ahead of the pack showing a near 40 percent increase.

Even in a worst-case scenario, where big companies only hit their most pessimistic profit estimates, price-to-earnings ratios wouldn't be out of line.

Public investment vehicles, including mutual funds and ETFs focused on so-called “gender-lens” investing, oversaw $910 million in assets as of June 30, 2017.