

The S&P 500 has reached its highest level of market concentration on record, surpassing even the peak seen during the Dot-com bubble.

Short interest in the S&P 500 index has climbed to approximately 3.7% of its free float—nearing its highest level since 2010—prompting market commentator The Kobeissi Letter to warn that “conditions for a short-squeeze are rising”.

Acumen Wealth Advisors LLC boosted its position in iShares Core S&P 500 ETF (NYSEARCA:IVV) by 5.5% during the first quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission (SEC). The fund owned 76,357 shares of the ETF's stock after buying an additional 3,955 shares

Arvest Bank Trust Division reduced its stake in iShares Core S&P 500 ETF (NYSEARCA:IVV) by 3.7% during the undefined quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission. The firm owned 145,833 shares of the ETF's stock after selling 5,660 shares during the quarter.
Asian stocks rallied on Wednesday as investors returned to semiconductor shares after a bruising sell-off, taking their cue from a Wall Street rebound even as Brent crude pushed further above $91 a barrel. MSCI's Asia-Pacific gauge outside Japan gained 1.2%, while South Korea's Kospi surged more than 6% and Japan's Nikkei 225 climbed 1.9%.

The S&P 500 Shiller CAPE ratio is on the verge of reaching its highest reading in 155 years. At its current level, the CAPE ratio suggests valuations are overextended.

Major indexes lost further ground following weekly losses in Monday's stock market. The S&P 500 ran into resistance at its 50-day line.

“Buy high, and sell higher” used to be a working investment strategy, until it wasn't.