Title: Recent Business Trends: Apple Layoffs, Surge in Cocoa Futures, and Stock Adjustments

Recent shifts in the business landscape have resulted in notable changes across different sectors. Apple has undertaken layoffs of 600 employees in California, particularly those involved in expensive R&D projects, signaling a more serious stance by CEO Tim Cook amidst challenges faced by the company's core products. In another sector, cocoa futures have seen a significant increase of 40%, which has negatively affected the stocks of confectionery companies, pointing to potential changes in the commodities market. Additionally, Hartford Investment Management Co. has decreased its stock position in Johnson Controls International plc (NYSE:JCI) by 18% during the fourth quarter, reflecting strategic adjustments in investment portfolios. These developments highlight the dynamic nature of the business environment, encompassing tech layoffs, commodity market fluctuations, and investment strategy shifts.

Subtopics:
- Apple's recent layoffs and their implications
- Surge in cocoa futures and its impact on the confectionery industry
- Changes in stock positions by major investment firms