https://www.reuters.com/article/us-japan-auto-results-preview/chip-shortage-in-focus-as-japan-automakers-ready-to-report-profit-drop-idUSKBN2CR07J >While Japan's biggest automakers report what analysts expect to be depressed earnings this week, investors looking for trading cues will be tuned into any assessment of the future impact of a global chip shortage that has forced a shake-up in production.