Elon Musk ratchets up attacks on Navarro as Tesla shares slump for fourth day

Group 1 - Tesla's stock has declined 22% over the past four trading sessions and 45% year-to-date, resulting in a loss of over $585 billion in market value since the beginning of the year, impacting CEO Elon Musk significantly [4] - The company reported a 13% year-over-year decline in first-quarter deliveries, missing analysts' estimates, which coincided with its worst quarterly performance since 2022 [8] - Production costs for Tesla are expected to rise due to new tariffs on materials and parts from foreign suppliers, particularly from Canada, Mexico, and China [6] Group 2 - Musk has publicly criticized Peter Navarro, a top trade advisor to President Trump, indicating a lack of consensus within the administration regarding the recently announced tariffs affecting over 180 countries [2][3] - Musk advocates for a zero-tariff situation between Europe and North America, contrasting with current U.S. trade policies, as Tesla has significant operations in Europe, including a large factory near Berlin [7] - Despite the tariffs, analysts believe Tesla may be better positioned than competitors due to its vehicles being assembled domestically in the U.S. [5]