TradingKey – During Asian trading hours on May 29, Samsung Electronics announced it has begun shipping the industry’s first 12-layer stacked HBM4E samples to global customers. The news drove the company’s share price up nearly 6% intraday, as market expectations rose regarding its ability to close the gap with SK Hynix in the AI memory market.

As of 11:33 a.m. Seoul time, Samsung Electronics shares were up 4.01% at 311,500 won, reaching a new record high. The Korea Composite Stock Price Index (KOSPI) rose approximately 2.3% during the same period.

[Source: TradingView]

Samsung stated that the HBM4E (High Bandwidth Memory) samples utilize a 12-layer stack with a capacity of 48 gigabytes (GB). The pin speed is stable at 14 gigabits per…