Social

Japan’s semiconductor strategy is about more than catching up in advanced logic. The country still holds major strengths in materials, equipment, and image sensors, while TSMC’s Kumamoto investment shows what is possible when the right ecosystem is in place. Rapidus’s 2nm prototype is a milestone, but profitable mass production will require yield, quality, customers, talent, and reliable power. Check the article for a balanced look at the opportunities, risks, and regional competition. Read more : https://injoys.com/en/articles/japan-semiconductor-revival-rapidus-analysis

A 2x single-stock ETF does not promise twice a stock’s long-term return. It resets daily, so volatility and compounding can leave the ETF behind even if the underlying stock recovers. Concerns about rebalancing also need to be weighed against fund size and hedging methods—and criticism alone does not automatically cause delisting. Check the article for a clear breakdown of the structure, risks, and rules. Read more : https://injoys.com/en/articles/single-stock-leveraged-etf-delisting-debate

Interest and dividend income can affect health insurance premiums in very different ways for employees, local subscribers, and dependents. This article breaks down the ₩20 million and ₩10 million thresholds, ETF income classifications, ISA use, and the conditions and deadlines to review for dependent status or voluntary continuation coverage. Check the article for a practical overview.

A project that feels almost ready can still stall when its architecture, coding patterns, and external-service boundaries are inconsistent. This article looks at when to keep fixing the existing code, when to rebuild, and what a focused 4-hour recovery sprint can realistically deliver. Check it out for a practical way to assess scope, migration, integrations, testing, and launch risk. Read more : https://injoys.com/en/articles/vibe-coding-project-architecture-and-four-hour-rescue-sprint

Could investors receive interest when IPO subscription deposits are refunded? Authorities are reportedly reviewing the proposal, but the rate, calculation period and tax treatment are still undecided. Check the article for a clear look at the possible formula, a theoretical 1% scenario and why borrowing costs may outweigh the benefit. Read more : https://injoys.com/en/articles/ipo-subscription-deposit-refund-interest-korea

Did you visit a hospital on the same day you arrived from abroad and get charged the full amount? Your immigration record may not yet have reached the National Health Insurance system, which usually takes about a day. If you paid in full, you can generally return to the hospital within 14 days to settle the insured difference. Check the article for the steps to report your arrival and request reimbursement. Read more : https://injoys.com/en/articles/korea-health-insurance-entry-day-medical-cost-refund